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Тренинги, Курсы, Обучение — Agile, Scrum, OKR
Тренинги, Курсы, Обучение — Agile, Scrum, OKR
Тренинги, Курсы, Обучение — Agile, Scrum, OKR
17 October, 2022 г.
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What is waterfall software development?

The waterfall model of software development is especially popular in the context of large-scale projects, where it can be used to…

What is waterfall software development?

Waterfall software development is a process model that describes a linear, sequential approach to software development.

The waterfall model of software development is especially popular in the context of large-scale projects, where it can be used to manage multiple teams working on different parts of the project or product.

The idea behind waterfall software development is that each phase of the project should be planned out thoroughly before moving on to another phase. This means that if there are problems or issues with one phase of the project, it can't be fixed until after it's been completed and passed onto the next phase.

This approach also means that there are no opportunities for backtracking or correcting errors in previous work—you have to wait until you've finished all stages before fixing them.

Waterfall software development is a method for planning and executing the development of a software project. In waterfall software development, each phase of the project is completed before moving on to the next phase.

Waterfall software development has several advantages over other methods:

  • It provides a clear path for planning and delivering a product.
  • It gives developers time to get feedback from stakeholders, who can then make changes to their requirements if necessary.
  • It helps eliminate surprises later in the process because all phases are completed before moving on to the next phase.

The waterfall model is typically used in situations where the requirements are clearly defined, and the design and implementation phases proceed sequentially. The waterfall model can be applied to most types of projects including construction, manufacturing, or information technology (IT).

Waterfall software development is a process that is sequential and linear. It follows a set of steps that includes defining requirements, designing, coding, testing, and implementation. In this process, there are no iterative loops or back-and-forth between design and implementation.

The waterfall model has been criticized for being too rigid and not allowing for feedback from users or other stakeholders.

What's the difference between agile and waterfall?

The main difference between agile and waterfall is that agile is an iterative process and waterfall is a sequential process.

Agile means that you work in small increments, or "sprints", and then evaluate your progress at the end of each sprint. This helps you avoid having to make large changes at the last minute because you can see how your work is progressing as it's being done. It also allows you to make small changes if necessary based on what you've learned during the sprint.

Waterfall means that you have one big project and start at one point, going through all of the steps without stopping until it's done.

Agile and waterfall are two different methods of software development. Agile is a more recent approach to building software, and it's designed to allow for rapid prototyping and iteration. Agile provides the flexibility for teams to adapt to changing requirements, but it does not typically include extensive documentation or upfront planning. Waterfall is an older approach to software development that emphasizes documentation and long-term planning ahead of time. It's extremely rigid in its process, so it's not suited for quick changes or last-minute additions.

Agile is more like building a house on the fly: you start with one brick, then another brick right next to it, and then another one after that, until eventually you have a house! Agile lets teams iterate quickly and make changes as they go along based on what they've learned so far.

Agile is an iterative, incremental process that focuses on adapting to change. Agile teams work in cycles called iterations, or sprints. Each iteration is a small piece of the overall project and ends with a review of what was completed and what needs to be improved.

Waterfall is a sequential process that focuses on completing one phase before moving onto the next. Waterfall is most often used for projects that involve many different departments or people who need to all sign off before moving forward in the process.

Waterfall is a project management approach that's been around for decades, and it's a tried and true method for getting things done. It's the kind of process you might use when you're building a house: first you get the blueprints drawn up, then you start construction. You don't start laying bricks until you know what the final structure looks like, because it would be too expensive to tear down walls later on.

What are the 5 stages of waterfall model?

The waterfall model is a linear process that moves from one stage to the next in a step-by-step fashion. It's called "waterfall" because it follows a vertical path, like water flowing over a cliff.

The five stages of waterfall are:

  • Analysis & Planning: This is where you identify the business problem and determine what needs to be done to solve it. You also gather requirements for the solution, which is documented in an analysis document. A team of people work together to create a plan that outlines exactly how they will develop the product or service. They also create a schedule for when each part of the plan will be completed.
  • Design: At this point, you develop a detailed plan for how to implement your solution. The design phase includes creating prototypes or mockups of how your solution will work (called high-fidelity prototypes).
  • Implementation: Once all of your requirements have been defined, you can move on to implementation and start building your solution. This stage is also called coding, because most projects involve writing code to create the application or software being developed.
  • Testing: At this point in the process, you test your application by running it using real-world data rather than testing with simulated data or dummy data that doesn't reflect real-world conditions. The software product undergoes testing to ensure it meets all of its design specifications and can be implemented with little or no error once it's been released into production (i.e., deployed). This stage also involves debugging any problems that arise during this testing phase in order to fix them before they become too serious an issue later on down the line when they could potentially impact customer satisfaction or even cause harm if they result in data loss due to software errors/bugs/glitches during transactions where sensitive personal information like social security numbers or bank account numbers are entered into fields online such as those found on websites like TurboTax or Amazon store pages where you enter
  • Deployment: After testing is complete and bugs have been fixed, it's time for deployment. The deployment stage of the waterfall model is the final step in the software development process. It involves deploying the product to its target environment (such as a computer system or mobile device), and it's known as "going live." In this stage, any remaining bugs or issues discovered during testing will be fixed. The deployment stage is also where you'll need to make sure that your code is secure and that it meets all your customer's requirements.